Tank for fluids



FIG. 1 is a perspective view taken from the top, one end and one side of a tank for fluids showing my new design;

FIG. `is a top plan view thereof, the bottom being the same as the top shown; and

FIG. 3 is an elevational view taken from one side thereof, the opposite side being the same as the side shown. 

The ornamental design for a tank for fluids, as shown and described. 